[lwip-devel] [bug #46595] Useless Assert

[April M]

URL:
  <http://savannah.nongnu.org/bugs/?46595>

                 Summary: Useless Assert
                 Project: lwIP - A Lightweight TCP/IP stack
            Submitted by: april_m
            Submitted on: Thu Dec  3 07:26:56 2015
                Category: Network drivers
                Severity: 3 - Normal
              Item Group: Change Request
                  Status: None
                 Privacy: Public
             Assigned to: None
             Open/Closed: Open
         Discussion Lock: Any
         Planned Release: 
            lwIP version: git head

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Details:

Netif.c Line 834~835 netif_poll

LWIP_ASSERT("netif->loop_cnt_current underflow",
    ((netif->loop_cnt_current - clen) < (netif->loop_cnt_current));

(netif->loop_cnt_current - clen) < (netif->loop_cnt_current
equals to
0 < clen

Since clen is u8_t, it will always to be true.

Why need Assert like this?




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